Finding the Fourth Proportional to 42,750.31, 58,964.82 and 30,006.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,750.31 : 58,964.82 = 30,006.34 : x
2. Step 2: Convert to fraction form
   42,750.31/58,964.82 = 30,006.34/x
3. Step 3: Cross multiply
   42,750.31x = 58,964.82 × 30,006.34
4. Step 4: Simplify right side
   42,750.31x = 1,769,318,289.55
5. Step 5: Solve for x
   x = 1,769,318,289.55/42,750.31
6. Step 6: Final answer
   x = 41,387.26